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Distributed Storage Across Four Storage Nodes With GlusterFS On CentOS 5.4

  • HowtoForge; By Falko Timme (Posted by falko on Apr 1, 2010 9:55 PM EDT)
  • Story Type: Tutorial; Groups: Linux
This tutorial shows how to combine four single storage servers (running CentOS 5.4) to one large storage server (distributed storage) with GlusterFS. The client system (CentOS 5.4 as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA.

KDE4: It hurt, but did it work?

Last month's release of the KDE 4.4 desktop environment restored the faith of many after what has been something of a roller coaster two years. Even the most loyal KDEians found that loyalty stretched by the debut of version 4.0 in 2008. Reassessing, and with hindsight, I think it's fair to characterize the whole saga as both a cautionary tale and an admirable example. Admirable, because the KDE team has displayed a quality that is so often lacking in open source software development: leadership.

fastest linux on the road

Did you think Linux is something for geeks? Think again: This is the Mavizen electrical superbike, and it runs a custom Linux operating system!

MeeGo code released for netbooks and smartphones

The MeeGo community has "opened the repositories" on early code for the netbook-oriented Linux platform, which combines Intel's Moblin and Nokia's Maemo. Images are available for the MeeGo distribution infrastructure and OS base "from the Linux kernel to the OS infrastructure up to the middleware layer."

How To Use Conditions in Shell Scripts

  • BeginLinux.com; By Mike Weber (Posted by aweber on Apr 1, 2010 6:06 PM EDT)
  • Story Type: Tutorial
One of the most important tasks for a Linux administrator to achieve in shell scripting is to test for information you need to know. Conditions is a way to test for one thing and if that is true then take one action and if it is not true take a different action. This tutorial, with illustrations, will help you start writing conditions to test for the information you need.

Linux: Removing The Big Kernel Lock

Arnd Bergmann noted that he's working on removing the BKL from the Linux kernel, "I've spent some time continuing the work of the people on Cc and many others to remove the big kernel lock from Linux and I now have [a] bkl-removal branch in my git tree". He went on to explain that his branch is working, and lets him run the Linux kernel, "on [a] quad-core machine with the only users of the BKL being mostly obscure device driver modules." Arnd noted that this effort has a long history, "the oldest patch in this series is roughly eight years old and is Willy's patch to remove the BKL from fs/locks.c, and I took a series of patches from Jan that removes it from most of the VFS."

GNOME Project Updates Free Desktop with 2.30 Release

The GNOME Project is proud to announce GNOME 2.30, the latest stable release of the popular Free Software desktop environment and applications suite. GNOME 2.30 builds on previous GNOME releases and brings hundreds of improvements for users and developers, including enhancements for user management, Web browsing, support for Facebook chat, and new productivity features.

The kernel column by Jon Masters #85

  • Linux User & Developer magazine; By Jon Masters (Posted by russb78 on Apr 1, 2010 3:14 PM EDT)
  • Story Type: Editorial; Groups: Kernel
Another month, another kernel release. Last month saw what is hopefully the final RC (release candidate) 2.6.33 kernel, and so it should have been released by the time you read this.

Official Statement Objecting BBC/OFCOM Proposal

The Linux Foundation, on behalf of its members, would like to register its serious objections to the current BBC/OFCOM proposal, which would impose content management controls on new free-to-air high definition channels. The plan, which involves restrictively licensing the Huffman codes used in the electronic programme guide, would have a negative effect on open source applications and would distort the markets which have built up around those applications.

An Easy and Inexpensive Quad-Core System for Debian or Ubuntu GNU/Linux

  • Free Software Magazine; By Terry Hancock (Posted by scrubs on Apr 1, 2010 1:43 PM EDT)
  • Story Type: Tutorial; Groups: Debian, Ubuntu
My son’s hand-me-down motherboard recently gave up the ghost, and I decided that was a good excuse for an upgrade. Shopping around, I found that multi-core CPUs were finally in my price range, so I decided to build him a quad-core system. This build worked out extremely well, with almost no configuration problems, not even for accelerated 3D graphics or ALSA sound — all using the latest Debian GNU/Linux (which means it’ll also work with Ubuntu or other derivatives). This one has that “classic” feel — everything just clicked into place. So I wanted to document it here. This also serves as a technology update to my earlier article on selecting hardware for a free-software-friendly system. Read the full howto at Freesoftware Magazine.

LinuxCertified Announces its next Embedded and Real-Time Linux Development Training course.

LinuxCertified Inc, a leading provider of Linux training and services, announced its next Embedded and Real-Time Linux Development class to be held in San Francisco Bay Area from May 5th - 7th, 2010.

Install or Upgrade to Brand New VLC 1.0.3 in Ubuntu in 2 Easy Steps

VLC is among the most sought after media player application in Ubuntu and we had already featured VLC Media Player in our post describing Top 5 must have multimedia applications for Ubuntu. Recently VLC Media Player version 1.0.5 has been released. Following is what you need to do to get the latest updates of VLC in Ubuntu, whenever it happens.

VC are pouring money into enterprise open source projects

  • Network World; By Alan Shimel (Posted by Julie188 on Apr 1, 2010 10:52 AM EDT)
  • Story Type: Editorial
Venture Capitalists, drooling over the financial success of Red Hat, are investing a serious chunk of change into other OS projects geared to the enterprise. In turn, those projects are adopting business models that look a lot like their proprietary counterparts.

GNU Generation 2.0

After many successful months of GNU Generation, GNU Generation 2.0 was officially announced at LibrePlanet 2010. This builds upon the original GNU Generation by lowering the entry barrier to free software contribution, and making the program more extensible. So what is new?

Red Hat injects RHEL with new iron love

Red Hat has pushed out another rev of its Linux variant. With Enterprise Linux 5.5, support for the latest processors from Advanced Micro Devices, Intel, and IBM has been back-ported to the Linux 2.6.18 at the heart of the RHEL 5 stack.

Screenshots of Debian-based PureOS 2.0

  • BeginLinux.com; By Andrew Weber (Posted by aweber on Apr 1, 2010 8:00 AM EDT)
  • Story Type: Reviews; Groups: Debian
Built with Linux-Live scripts 6.2.9, the Debian-based PureOS 2.0 Linux distro has been released recently. This distro and live CD feature the KDE 4.3.4 desktop environment, Linux kernel 2.6.33 w/ Squashfs 3.4 and LZMA. Popular applications you'll find on PureOS include GIMP, Iceweasel, FileZilla, K3B, Songbird, VLC, and many more. Check out the screenshots.

An open letter to Victoria A. Espinel, US "IP Czar"

  • Free Software Magazine; By Terry Hancock (Posted by scrubs on Apr 1, 2010 7:03 AM EDT)
  • Story Type: Editorial; Groups: Community
Earlier today (March 24th, 2010), I submitted this response to the IPEC call for public comment on future Intellectual Property enforcement policy. Given the short notice (only six days!), I was not able to come up with a more detailed response, but I did want to express my dismay at the way these policies are being framed. Read the full submission at http://www.freesoftwaremagazine.com/columns/open_letter_vict...">Freesoftware Magazine.

FreeBSD 7.3-release crashes, messes with ext3 and FAT drives ... time for me to move on

Not only have I been able to crash FreeBSD 7.3-release with GNOME by trying to automount FAT partitions on USB-connected drives, but those crashes rendered both the FAT partitions and the ext3 partitions that otherwise could be mounted automatically on those drives, for lack of a better word, unmountable.

Online Petitioning Software Made Public

British organization Public-i has made its ePetitions software publicly available under European Public License (EUPL) on the Forge page of the Open Source Observatory and Repository Europe (OSOR) information service.

The importance of Document Freedom Day explained by Microsoft job offer

Document Freedom Day is a "global day for document liberation". A job offer posted by Microsoft just a couple of months ago explains very well why Document Liberation is important... and, by corollary, why any campaign from Free Software advocates focused on promoting "Gnu/Linux vs Windows", instead of "open file formats vs proprietary ones" is doomed to fail...

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